The outcome from the weekend of work in the Senate remains uncertain and highly volatile, and overnight voting has been pushed off until Monday.

"The latest Senate draft bill will destroy millions of jobs in America and cause immense strategic harm to our country."

Senate Republicans voting in a dramatic late Saturday session narrowly cleared a key procedural step as they race to advance President Donald Trump's package of tax breaks, spending cuts and bolstered deportation funds by his July 4 deadline.